diff --git a/.gitignore b/.gitignore
index 1501287..688aa9f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -315,3 +315,5 @@ thunderbird-langpacks-3.1.2-20100803.tar.bz2
 /thunderbird-langpacks-78.4.3-20201112.tar.xz
 /thunderbird-78.5.0.source.tar.xz
 /thunderbird-langpacks-78.5.0-20201125.tar.xz
+/thunderbird-78.6.0.source.tar.xz
+/thunderbird-langpacks-78.6.0-20201215.tar.xz
diff --git a/sources b/sources
index 9a0d4a0..36b6890 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
-SHA512 (thunderbird-78.5.0.source.tar.xz) = dae49dc0910dd017250643c920c79f03d3ef14bcbafde7fcdb3aaeba2b27a42ef6f88c8de8b961f8bb1c3d1a153bc8988ab43a39eb051d81839cf3b9e8373118
-SHA512 (thunderbird-langpacks-78.5.0-20201125.tar.xz) = c18d0f0f541535197bbb42a1600a847366109dd32aa5626d083c77f0bc4572496a153d266ac8272333669cbbc3950f791404d457a29c0ccff9700c325df6bfe8
+SHA512 (thunderbird-78.6.0.source.tar.xz) = 36194e8bf58117d8accbd6d8dc52a6241d8c572c023db1b271db3b73098652a608da28134865099792fbeb0a2f0d3705d98093447b64fa19eab7efb3e3bdd421
+SHA512 (thunderbird-langpacks-78.6.0-20201215.tar.xz) = b1b26f05f1f40daa6721d581e80a600c7c18b2f66b566308ed347f596e455929f26de5b469c8ab4fbf57a0dad351932123209a90919389e82bd2a8806919f00d
 SHA512 (cbindgen-vendor-0.14.3.tar.xz) = 33c8d28547674121f690eea0d3ebac33926a39caacac787bf8ed8b346478822e74da5a4a1f57ab4df4105fa8376739a2ece888845a85bc5712aaed20e4a508bc
diff --git a/thunderbird.spec b/thunderbird.spec
index 90e2ea5..f783540 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -80,13 +80,13 @@ ExcludeArch: armv7hl
 
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
-Version:        78.5.0
-Release:        2%{?dist}
+Version:        78.6.0
+Release:        1%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Source0:        ftp://ftp.mozilla.org/pub/thunderbird/releases/%{version}%{?pre_version}/source/thunderbird-%{version}%{?pre_version}.source.tar.xz
 %if %{build_langpacks}
-Source1:        thunderbird-langpacks-%{version}-20201125.tar.xz
+Source1:        thunderbird-langpacks-%{version}-20201215.tar.xz
 %endif
 Source3:        get-calendar-langpacks.sh
 Source4:        cbindgen-vendor-0.14.3.tar.xz
@@ -734,6 +734,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
+* Tue Dec 15 2020 Jan Horak <jhorak@redhat.com> - 78.6.0-1
+- Update to 78.6.0 build1
+
 * Mon Dec 14 2020 Martin Stransky <stransky@redhat.com> - 78.5.0-2
 - Added fix for rhbz#1907267 (Thunderbird on Wayland launcher
   does not show up as 'running' in the dash)